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A Si-29 MAS NMR study of silicate glasses with a high lithium content
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Larson, C., Doerr, J., Affatigato, M., Feller, S., Holland, Diane and Smith, Mark E. (2006) A Si-29 MAS NMR study of silicate glasses with a high lithium content. Journal of Physics-Condensed Matter, Vol.18 (No.49). pp. 11323-11331. doi:10.1088/0953-8984/18/49/023 ISSN 0953-8984.
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Official URL: http://dx.doi.org/10.1088/0953-8984/18/49/023
Abstract
A series of lithium silicate glasses approaching the orthosilicate composition (66.7 mol% Li2O) were prepared and their Si-29 magic angle spinning nuclear magnetic resonance (NMR) recorded; this significantly extends the compositional range of glasses studied by this technique. The results indicate that the lever (binary) rule is approximately followed, though with considerable dissociation of the stoichiometric groups into silicate units with lesser and greater numbers of non-bridging oxygens according to the relation 2Q(n)-> Q(n+1)+Q(n-1). The NMR results were compared with the Raman study of Umesaki et al (1988 J. Non-Cryst. Solids 106 77-80) on the same system. Volumes per mol silica, determined from the experimental densities, were also used to test the structural results from the present NMR observations.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Administration > University Executive Office Faculty of Science, Engineering and Medicine > Science > Physics |
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Journal or Publication Title: | Journal of Physics-Condensed Matter | ||||
Publisher: | IOP Publishing | ||||
ISSN: | 0953-8984 | ||||
Official Date: | 13 December 2006 | ||||
Dates: |
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Volume: | Vol.18 | ||||
Number: | No.49 | ||||
Number of Pages: | 9 | ||||
Page Range: | pp. 11323-11331 | ||||
DOI: | 10.1088/0953-8984/18/49/023 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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